<script setup lang="ts">
import Motion from "./utils/motion";
import { useRouter } from "vue-router";
import { message } from "@/utils/message";
import { loginRules } from "./utils/rule";
import { useNav } from "@/layout/hooks/useNav";
import type { FormInstance } from "element-plus";
import { useLayout } from "@/layout/hooks/useLayout";
import { useUserStoreHook } from "@/store/modules/user";
import { initRouter, getTopMenu } from "@/router/utils";
import { bg, avatar, illustration } from "./utils/static";
import { useRenderIcon } from "@/components/ReIcon/src/hooks";
import { ref, reactive, toRaw, onMounted, onBeforeUnmount } from "vue";
import { useDataThemeChange } from "@/layout/hooks/useDataThemeChange";

import dayIcon from "@/assets/svg/day.svg?component";
import darkIcon from "@/assets/svg/dark.svg?component";
import Lock from "@iconify-icons/ri/lock-fill";
import User from "@iconify-icons/ri/user-3-fill";
import {storageLocal} from "@/store/utils";

defineOptions({
    name: "Login"
});
const router = useRouter();
const loading = ref(false);
const ruleFormRef = ref<FormInstance>();

const { initStorage } = useLayout();
initStorage();
const { dataTheme, overallStyle, dataThemeChange } = useDataThemeChange();
dataThemeChange(overallStyle.value);
const { title } = useNav();

const ruleForm = reactive({
    username: "",
    password: ""
});

const onLogin = async (formEl: FormInstance | undefined) => {
    if (!formEl) return;
    await formEl.validate((valid, fields) => {
        if (valid) {
            loading.value = true;
            useUserStoreHook().loginByUsername({ username: ruleForm.username, password: ruleForm.password }).then(res => {
                    if (res.code === 200) {
                        // 获取后端路由
                        return initRouter().then(() => {
                            router.push(getTopMenu(true).path).then(() => {
                                message("登录成功", { type: "success" });
                            });
                        });
                    } else {
                        message(res.msg, { type: "error" });
                    }
                })
                .finally(() => (loading.value = false));
        }
    });
};

/** 使用公共函数，避免`removeEventListener`失效 */
function onkeypress({ code }: KeyboardEvent) {
    if (["Enter", "NumpadEnter"].includes(code)) {
        onLogin(ruleFormRef.value);
    }
}

onMounted(() => {
    window.document.addEventListener("keypress", onkeypress);
});

onBeforeUnmount(() => {
    window.document.removeEventListener("keypress", onkeypress);
});
</script>

<template>
    <div class="select-none">
        <img :src="bg" class="wave" />
        <div class="flex-c absolute right-5 top-3">
            <!-- 主题 -->
            <el-switch
                v-model="dataTheme"
                inline-prompt
                :active-icon="dayIcon"
                :inactive-icon="darkIcon"
                @change="dataThemeChange"
            />
        </div>
        <div class="login-container">
            <div class="img">
                <component :is="toRaw(illustration)" />
            </div>
            <div class="login-box">
                <div class="login-form">
                    <avatar class="avatar" />
                    <Motion>
                        <h2 class="outline-none">{{ title }}</h2>
                    </Motion>

                    <el-form
                        ref="ruleFormRef"
                        :model="ruleForm"
                        :rules="loginRules"
                        size="large"
                    >
                        <Motion :delay="100">
                            <el-form-item
                                :rules="[
                  {
                    required: true,
                    message: '请输入账号',
                    trigger: 'blur'
                  }
                ]"
                                prop="username"
                            >
                                <el-input
                                    v-model="ruleForm.username"
                                    clearable
                                    placeholder="账号"
                                    :prefix-icon="useRenderIcon(User)"
                                />
                            </el-form-item>
                        </Motion>

                        <Motion :delay="150">
                            <el-form-item prop="password">
                                <el-input
                                    v-model="ruleForm.password"
                                    clearable
                                    show-password
                                    placeholder="密码"
                                    :prefix-icon="useRenderIcon(Lock)"
                                />
                            </el-form-item>
                        </Motion>

                        <Motion :delay="250">
                            <el-button
                                class="w-full mt-4"
                                size="default"
                                type="primary"
                                :loading="loading"
                                @click="onLogin(ruleFormRef)"
                            >
                                登录
                            </el-button>
                        </Motion>
                    </el-form>
                </div>
            </div>
        </div>
    </div>
</template>

<style scoped>
@import url("@/style/login.css");
</style>

<style lang="scss" scoped>
:deep(.el-input-group__append, .el-input-group__prepend) {
    padding: 0;
}
</style>
